5-62 Image Optimization
1. Select the proper probe and exam mode; make sure there is sufficient gel on the probe for
scanning.
2. Obtain a 2D image, and optimize the image if necessary.
3. Toggle
knob right to enter 4D imaging mode.
4. Adjust ROI size and position and the VOI. The operations are same with these in static 3D mode.
To define a ROI, please try to cut the useless data as to reduce the time for image storing,
processing and reconstruction.
5. Select the render mode, and set the quality and angle parameter.
6. Press <Update> to enter the 4D real-time imaging status.
7. Press <Freeze> to freeze the image, you can perform image editing, rotation, comment and body
mark adding and etc.
8. Exit 4D imaging.
Press <Update>. The system returns to 4D image preparation state. Or press <B> on the control
panel to exit 4D mode.
5.11.7.2 4D Acquisition Preparation
Set the parameters before the acquisition.
The settings for 4D mode are same with static 3D’s.
5.11.7.3 4D Image Review
The settings for 4D mode are same with static 3D’s.
4D real-time cutting
You can remove unnecessary information from the VR in real-time scanning by using a line tool.
1. Tap [Tool] to enter editing mode in 4D real-time review state.
2. Press <Set>to place the start position of the editing.
3. Roll the trackball to adjust the orientation, and then press <Set> to confirm the boundary.
4. Move the cursor to the area to be edited. Press <Set> to finish editing.
Tap [Undo] or [Undo All] to return to the previous step.
5.11.7.4 4D image Review on Frozen State
In 4D real-time display mode, press <Freeze> on the control panel to enter the frozen mode.
Tap [Auto play] to switch between auto play cine or manual play cine on cine page. Move the track ball or
rotate the knob under [Select frame] on the touch screen to select the frame, tap [Start Frame] and [End
Frame] to set the start frame and end frame, tap [Start Frame] to jump to the first frame.
NOTE: The operation of 4D image on frozen state is same with these in static 3D.
5.11.7.5 4D Image Saving
In the 4D Review mode, press <Save> (with user-defined saving function) to save the current image
to the patient information management system in the set format.
Save cine: in 4D viewing mode, press the user-defined save key to save CIN-format clip to the hard
drive.
5.11.7.6 3D/4D Fast Switching
Press the rotatable knob to enter 3D acquisition. After completing the acquistion, the image is obtained.
Slide the knob right to enter 4D review mode. The active image can be obtained.
